Beyond crystallography: Diffractive imaging using coherent x-ray light sources
X-ray crystallography has been central to the development of many fields of science over the
past century. It has now matured to a point that as long as good-quality crystals are …
past century. It has now matured to a point that as long as good-quality crystals are …
Phase retrieval with application to optical imaging: a contemporary overview
The problem of phase retrieval, ie, the recovery of a function given the magnitude of its
Fourier transform, arises in various fields of science and engineering, including electron …
Fourier transform, arises in various fields of science and engineering, including electron …
Bright coherent ultrahigh harmonics in the keV x-ray regime from mid-infrared femtosecond lasers
High-harmonic generation (HHG) traditionally combines~ 100 near-infrared laser photons to
generate bright, phase-matched, extreme ultraviolet beams when the emission from many …
generate bright, phase-matched, extreme ultraviolet beams when the emission from many …
Spin angular momentum and tunable polarization in high-harmonic generation
The roles of energy, momentum and orbital angular momentum conservation in high-
harmonic generation were studied in the past. Here, we explore the role of spin angular …
harmonic generation were studied in the past. Here, we explore the role of spin angular …
Generation of bright phase-matched circularly-polarized extreme ultraviolet high harmonics
Circularly-polarized extreme ultraviolet and X-ray radiation is useful for analysing the
structural, electronic and magnetic properties of materials. To date, such radiation has only …
structural, electronic and magnetic properties of materials. To date, such radiation has only …
Non-collinear generation of angularly isolated circularly polarized high harmonics
We generate angularly isolated beams of circularly polarized extreme ultraviolet light
through the first implementation of non-collinear high harmonic generation with circularly …
through the first implementation of non-collinear high harmonic generation with circularly …
Bright circularly polarized soft X-ray high harmonics for X-ray magnetic circular dichroism
We demonstrate, to our knowledge, the first bright circularly polarized high-harmonic beams
in the soft X-ray region of the electromagnetic spectrum, and use them to implement X-ray …
in the soft X-ray region of the electromagnetic spectrum, and use them to implement X-ray …
Ultraviolet surprise: Efficient soft x-ray high-harmonic generation in multiply ionized plasmas
High-harmonic generation is a universal response of matter to strong femtosecond laser
fields, coherently upconverting light to much shorter wavelengths. Optimizing the conversion …
fields, coherently upconverting light to much shorter wavelengths. Optimizing the conversion …
Oversampling smoothness: an effective algorithm for phase retrieval of noisy diffraction intensities
Coherent diffraction imaging (CDI) is high-resolution lensless microscopy that has been
applied to image a wide range of specimens using synchrotron radiation, X-ray free-electron …
applied to image a wide range of specimens using synchrotron radiation, X-ray free-electron …
Generation of bright isolated attosecond soft X-ray pulses driven by multicycle midinfrared lasers
High harmonic generation driven by femtosecond lasers makes it possible to capture the
fastest dynamics in molecules and materials. However, to date the shortest subfemtosecond …
fastest dynamics in molecules and materials. However, to date the shortest subfemtosecond …